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2004 BMW 330Ci Base Convertible
BMW Home > 2004 BMW 330Ci Base Convertible > Fuel & IntakeEmissions Equipment 

Emissions Equipment

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This section contains various sensors needed in your car. Sensors are devices that measure a measurable attribute and convert it into an electronic signal.
Knock Sensor (Ping Sensor)
Knock Sensor (Ping Sensor)  
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Note: All clearance sales are final; no returns allowed.

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Air Injection Pipes and Valves

Air injection pipes and valves are part of the emission systems of a car. They are used to inject additional air into the combustion camber. If you are having problems passing a Smog test this may be part of the problem.

Secondary Air Injection Control Valve

Secondary Air Injection Control Valve Gasket

Air Injection Pumps and Vacuum

Secondary Air Injection Pump
Secondary Air Injection Pump  
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Note: Also use: (Qty.) (1) 12 63 1 742 690 relay,

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Secondary Air Injection Pump Mount

Secondary Air Injection Pump Hose
Secondary Air Injection Pump Hose  
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Note: Air Pump to Mass Air Flow Sensor, Suction Hose

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Idle Control Valves

Similar to the auxiliary air valve, the idle control valve control valve adjusts and maintains the proper idle for the car whether it's cold or hot. Based on temperature sensors in the engine, the valve opens automatically to allow more airflow into the engine while cold, essentially like a choke on an old carburetor, keeping the engine supplied with more air until it reaches a certain temperature. If the unit goes bad, it can cause rich running, idle fluctuation and hard starting.
Idle Control Valve

BMW Home  >  2004 BMW 330Ci Base Convertible > Fuel & Intake  >  Emissions Equipment 

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Browse Emissions Equipment for all 3-Series E46 (1999-2006) vehicles

Page last updated: Wed 3/14/2018 07:07:48 AM
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